T8 (G13) LED tube 60 cm - 1440 lumen - 6000K (36W/860) flicker-free
LED T8 Tube PC Cover with Aluminum Extrusion High Lumen Output LED Tube Light Lamp 200lm/W Tube - China LED Tube 15W, 120cm LED Tube | Made-in-China.com
120-347V HO (High Lumen Output) 4 FT 15W Ballast Bypass T8 Tube — LED Energy Inc.
Comparing the Effective Lumens of LED and Fluorescent Lighting: A Guide to Understanding True Light Output Over Time | PDF